X-Git-Url: https://yaffs.net/gitweb/?a=blobdiff_plain;f=yaffs_guts.h;h=c58c84bf1f29962c1fcc74ab7596e7942a35330f;hb=1ecaab628c922b75b3fa6cdb9fd73bfe619fe1c8;hp=f47c65edda47f8362c2569b4de74e8a7782438da;hpb=47f0aa3a5008048dd068bbc7fef87650d5df12fb;p=yaffs2.git

diff --git a/yaffs_guts.h b/yaffs_guts.h
index f47c65e..c58c84b 100644
--- a/yaffs_guts.h
+++ b/yaffs_guts.h
@@ -599,8 +599,9 @@ struct yaffs_DeviceStruct {
 	int isYaffs2;
 
 	/* The removeObjectCallback function must be supplied by OS flavours that
-	 * need it. The Linux kernel does not use this, but yaffs direct does use
-	 * it to implement the faster readdir
+	 * need it.
+         * yaffs direct uses it to implement the faster readdir.
+         * Linux uses it to protect the directory during unlocking.
 	 */
 	void (*removeObjectCallback)(struct yaffs_ObjectStruct *obj);
 
@@ -640,10 +641,14 @@ struct yaffs_DeviceStruct {
 
 	struct semaphore sem;	/* Semaphore for waiting on erasure.*/
 	struct semaphore grossLock;	/* Gross locking semaphore */
+	struct rw_semaphore dirLock; /* Lock the directory structure */
 	__u8 *spareBuffer;	/* For mtdif2 use. Don't know the size of the buffer
 				 * at compile time so we have to allocate it.
+
 				 */
 	void (*putSuperFunc) (struct super_block *sb);
+        struct ylist_head searchContexts;
+
 #endif
 
 	int isMounted;